“/”应用程序中的服务器错误。

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行 33:                     modColumn = Ins.bllCategory.UiGetModel(GetColumnId(modNews.CategoryID.Value));
行 34:                     modCate = Ins.bllCategory.UiGetModel(modNews.CategoryID.Value);
行 35:                     if (modCate != null || modCate.ID > 0)
行 36:                     {
行 37:                         modPreNews = Ins.bllNews.UiGetModel(string.Format(" CategoryID={0} And ID>{1} ", modNews.CategoryID, modNews.ID, modNews.CreateTime) + " ORDER BY ID ");

[NullReferenceException: 未将对象引用设置到对象的实例。]
   news_content.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\news_content.aspx.cs:35
   System.Web.UI.Control.OnLoad(EventArgs e) +105
   System.Web.UI.Control.LoadRecursive() +67
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3784